Home / 18,384.96-25,353.60-12,348.84

Finding the Fourth Proportional to 18,384.96, 25,353.60 and 12,348.84

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Solution

The fourth proportional to 18,384.96, 25,353.60 and 12,348.84 is: 17,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.96 : 25,353.60 = 12,348.84 : x
  2. Step 2: Convert to fraction form
    18,384.96/25,353.60 = 12,348.84/x
  3. Step 3: Cross multiply
    18,384.96x = 25,353.60 × 12,348.84
  4. Step 4: Simplify right side
    18,384.96x = 313,087,549.82
  5. Step 5: Solve for x
    x = 313,087,549.82/18,384.96
  6. Step 6: Final answer
    x = 17,029.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.